Very close relationship of the chloroplast genomes among Saccharum species.

Very close relationship of the chloroplast genomes among Saccharum species. Research Abstract Details 

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Very close relationship of the chloroplast genomes among Saccharum species. Abstract Text:

S Takahashi,T Furukawa,T Asano,Y Terajima,H Shimada,A Sugimoto,K Kadowaki,

We recently determined the complete sequence of the sugarcane chloroplast genome. Here, we have used the information for a comprehensive phylogenetic analysis of the genus Saccharum, using all six species (13 accessions). The polymorphisms between sugarcane and maize in 26 chloroplast genome regions were used for the analysis. In 18 of the 26 regions (a total of 5,381 bp), we found 41 mutations involving 17 substitutions, three inversions, six insertion/deletion mutations, and 15 simple sequence repeat length polymorphisms. Based on these results, we calculated a phylogenetic tree of the genus Saccharum, in which all six species are clearly separated. By the analysis, (1) S. sinense and S. barberi, which have identical sequences, belong to the same clade, whereas the other four species, S. officinarum, S. robustum, S. edule, and S. spontaneum, form an independent clade; (2) S. spontaneum has a paraphyletic relationship with the other five species; and (3) no or very low intraspecific variation was observed in S. officinarum, S. robustum, S. sinense, S. barberi, and S. edule, whereas higher intraspecific variation was observed in S. spontaneum. Based on the number of nucleotide substitutions, the divergence time between S. officinarum and S. spontaneum, and between S. officinarum and maize were calculated to be about 730-780 thousand years ago and about 5.9 million years ago, respectively. These results suggest that the cytoplasm of Saccharum species are very closely related.

Very close relationship of the chloroplast genomes among Saccharum species. Publishing Authors By Initials

S Takahashi,T Furukawa,T Asano,Y Terajima,H Shimada,A Sugimoto,K Kadowaki,

For similar genetic phenomena: variation (genetics) research abstracts see: genetic phenomena: variation (genetics) research

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Very close relationship of the chloroplast genomes among Saccharum species. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: TAG. Theoretical and applied genetics. Theoretisch

VOLUME: 110

Page Numbers: 1523-9

Journal Abbreviation: Theor. Appl. Genet.

ISSN: 0040-5752

DAY: 8

MONTH: 04

YEAR: 2005

Very close relationship of the chloroplast genomes among Saccharum species. Information

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LANGUAGE: eng

NlmUniqueID: 145600

Very close relationship of the chloroplast genomes among Saccharum species. Keywords Mesh Terms:

KEYWORDS: Variation (Genetics)

MESH TERMS: genetics

Chemical & Substance for Abstract: Very close relationship of the chloroplast genomes among Saccharum species. Information

Substance Name: DNA, Chloroplast

Registry Number: 0

Grant and Affiliation Information for Very close relationship of the chloroplast genomes among Saccharum species.

AFFILIATION: Department of Genetic Diversity, National Institute of Agrobiological Sciences, Kannondai 2-1-2, Tsukuba, Ibaraki, 305-8602, Japan.

Country: Germany

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MEDLINETA: Theor Appl Genet

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